Home / 9,243.63-12,756.38-5,051.79

Finding the Fourth Proportional to 9,243.63, 12,756.38 and 5,051.79

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Solution

The fourth proportional to 9,243.63, 12,756.38 and 5,051.79 is: 6,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,243.63 : 12,756.38 = 5,051.79 : x
  2. Step 2: Convert to fraction form
    9,243.63/12,756.38 = 5,051.79/x
  3. Step 3: Cross multiply
    9,243.63x = 12,756.38 × 5,051.79
  4. Step 4: Simplify right side
    9,243.63x = 64,442,527.66
  5. Step 5: Solve for x
    x = 64,442,527.66/9,243.63
  6. Step 6: Final answer
    x = 6,971.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.